Claude Fable 5$22.000/MClaude Opus 4.8$11.000/MClaude Opus 4.7$11.000/MClaude Opus 4.6$11.000/MClaude Opus 4.5$33.000/MClaude Sonnet 3.7$6.600/MClaude Opus 3$33.000/MClaude 2.1$12.800/MClaude 2$12.800/MGPT-5.5$12.500/MGPT-5.2$5.425/MGPT-5.2-Codex$5.425/MGPT-5$3.875/MGPT-4.5$97.500/MGPT-4 Turbo Preview$16.000/MGPT-4$39.000/MGPT-4-32k$78.000/Mo3$19.000/Mo3-mini$2.090/Mo4-mini$2.090/Mo1$28.500/Mo1-mini$5.700/Mo1-preview$28.500/MGemini 3.5 Pro$5.000/MGemini 3.1 Pro$5.000/MGemini 3 Pro$5.000/MGemini 2.5 Pro$3.875/MGemini 1.5 Pro$2.375/MGemini 1.0 Ultra$12.000/MGemini 1.0 Pro$0.800/MClaude Fable 5$22.000/MClaude Opus 4.8$11.000/MClaude Opus 4.7$11.000/MClaude Opus 4.6$11.000/MClaude Opus 4.5$33.000/MClaude Sonnet 3.7$6.600/MClaude Opus 3$33.000/MClaude 2.1$12.800/MClaude 2$12.800/MGPT-5.5$12.500/MGPT-5.2$5.425/MGPT-5.2-Codex$5.425/MGPT-5$3.875/MGPT-4.5$97.500/MGPT-4 Turbo Preview$16.000/MGPT-4$39.000/MGPT-4-32k$78.000/Mo3$19.000/Mo3-mini$2.090/Mo4-mini$2.090/Mo1$28.500/Mo1-mini$5.700/Mo1-preview$28.500/MGemini 3.5 Pro$5.000/MGemini 3.1 Pro$5.000/MGemini 3 Pro$5.000/MGemini 2.5 Pro$3.875/MGemini 1.5 Pro$2.375/MGemini 1.0 Ultra$12.000/MGemini 1.0 Pro$0.800/M
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Mistral Medium 3.1

text+image+file->text

Mistral Medium 3.1 is a general-purpose chat-tuned model. Available via Mistral. 131K-token context. Efficient pricing.

Mistral Medium 3.1 is a multimodal AI model from Mistral. It costs $0.400 per million input tokens and $2.000 per million output tokens (blended $0.880/M), with a 131K-token context window.

Modalities text, visionProvider pricing ↗API docs ↗Pricing source ↗Compare with another model →Estimate monthly cost →
INPUT
$0.400/M
per million input tokens
OUTPUT
$2.000/M
per million output tokens
BLENDED 70/30
$0.880/M
default reference rate · how it's calculated →
CONTEXT
131K
131,072 tokens
What it's good at
  • Solid general chat performance
  • Reasonable instruction following
  • Multimodal: handles images alongside text
Typical use cases
  • General chat
  • Drafting and rewriting
  • Personal productivity
Benchmarks
No published benchmark scores tracked for this model yet. Frontier and reasoning models from major providers have scores; smaller models and inference-host variants typically inherit the underlying open-weights score.
More from Mistral
See all 15 →
Mistral Large 3
Frontier · 256K ctx
in $0.500/Mout $1.500/M
Mistral Medium 3.5
Balanced · 256K ctx
in $1.500/Mout $7.500/M
Mistral Small 4
Efficient · 128K ctx
in $0.100/Mout $0.300/M
Mistral Large 2
Frontier · 128K ctx
in $2.000/Mout $6.000/M
Pixtral Large
Vision · 128K ctx
in $2.000/Mout $6.000/M
Pixtral 12B
Compact Vision · 128K ctx
in $0.150/Mout $0.150/M
Frequently asked questions

How much does Mistral Medium 3.1 cost?

Mistral Medium 3.1 costs $0.400 per million input tokens and $2.000 per million output tokens, for a blended reference rate of $0.880 per million tokens.

What is Mistral Medium 3.1's context window?

Mistral Medium 3.1 supports up to 131K tokens of context (131,072 tokens).

What is Mistral Medium 3.1 best for?

Mistral Medium 3.1 is well suited to Solid general chat performance, Reasonable instruction following and Multimodal: handles images alongside text.

Who makes Mistral Medium 3.1?

Mistral Medium 3.1 is developed and served by Mistral.